ET 3608 then AA 3817 at O'Hare
Anchorage → Chicago → Rochester (RST)
Timetable, Chicago time
07:16ET 3608 from Anchorage at the gate
22:35AA 3817 to Rochester (RST) leaves the gate
15 h 19 apart on the timetable
AA 3817 leaves 15 h 19 after ET 3608 arrives on the timetable: more than half a day, so not a connection we count.